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#!/usr/bin/python3-dbg
# -*- coding: utf-8 -*-
# Tests pour valider la gestion des symboles
from chrysacase import ChrysalideTestCase
from pychrysalide.arch import vmpa, mrange
from pychrysalide.format import BinSymbol
class TestBinarySymbols(ChrysalideTestCase):
"""TestCase for format.BinSymbol."""
def testSymbolProperties(self):
"""Validate the basic properties of symbols."""
saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x3)
symbol = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
self.assertEqual(symbol.range.length, 0x3)
symbol.range = mrange(saddr, 0x4)
self.assertEqual(symbol.range.length, 0x4)
self.assertEqual(symbol.stype, BinSymbol.SymbolType.ENTRY_POINT)
symbol.stype = BinSymbol.SymbolType.DATA
self.assertEqual(symbol.stype, BinSymbol.SymbolType.DATA)
self.assertEqual(symbol.status, BinSymbol.SymbolStatus.INTERNAL)
symbol.status = BinSymbol.SymbolStatus.EXPORTED
self.assertEqual(symbol.status, BinSymbol.SymbolStatus.EXPORTED)
self.assertEqual(symbol.label, None)
symbol.label = 'AAA'
self.assertEqual(symbol.label, 'AAA')
symbol.label = None
self.assertEqual(symbol.label, None)
def testSymbolDefaultStatus(self):
"""Validate the default status for symbols."""
saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x3)
symbol = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
self.assertEqual(symbol.status, BinSymbol.SymbolStatus.INTERNAL)
self.assertEqual(str(symbol.status), 'SymbolStatus.INTERNAL')
def testSymbolFlags(self):
"""Play with symbol flags."""
saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x3)
symbol = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
self.assertEqual(symbol.flags, BinSymbol.SymbolFlag.NONE)
ret = symbol.set_flag(BinSymbol.SymbolFlag.NONE)
self.assertTrue(ret)
ret = symbol.has_flag(BinSymbol.SymbolFlag.NONE)
self.assertFalse(ret)
ret = symbol.unset_flag(BinSymbol.SymbolFlag.NONE)
self.assertFalse(ret)
ret = symbol.set_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
self.assertTrue(ret)
ret = symbol.has_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
self.assertTrue(ret)
ret = symbol.unset_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
self.assertTrue(ret)
ret = symbol.has_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
self.assertFalse(ret)
def testSymbolComparison(self):
"""Compare symbols and check the result."""
saddr = vmpa(0x100, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x3)
symbol0 = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x3)
symbol1 = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
saddr = vmpa(0x100, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x30)
symbol2 = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
self.assertTrue(symbol0 == symbol0)
self.assertTrue(symbol0 > symbol1)
self.assertTrue(symbol1 < symbol2)
self.assertTrue(symbol0 == symbol2)
def testSymbolSubclassing(self):
"""Verify the symbol subclassing is working."""
class MySymbol(BinSymbol):
def _get_label(self):
return 'AAA'
saddr = vmpa(0x100, vmpa.VmpaSpecialValue.NO_VIRTUAL)
srange = mrange(saddr, 0x3)
symbol = MySymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
self.assertEqual(symbol.label, 'AAA')
symbol.label = 'BBB'
self.assertEqual(symbol.label, 'BBB')
class MyOtherSymbol(BinSymbol):
pass
other = MyOtherSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)
self.assertEqual(other.label, None)
other.label = 'CCC'
self.assertEqual(other.label, 'CCC')
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